Mirror



FIG. 1 is a front elevational view of a mirror showing our new design;

FIG. 2 is a side view, the opposite side being a mirror image thereof;

FIG. 3 is a left front perspective view thereof; and,

FIG. 4 is a partial perspective view thereof.

The top, bottom and rear views of the design are not shown and form no part of the claimed design. 

The ornamental design for a mirror, as shown and described. 